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Justin Bieber "appeared to have great difficulty" while completing sobriety tests in Miami Beach following his alleged DUI bust in January—but, see, there's an explanation for that beyond the obvious. According to newly released police documents, Bieber told officers he had injured his foot while skateboarding three months earlier, the AP reports. Officers did note that he "appeared to sway and have leg tremors" at one point, and "winced as if in pain." But, uh, the injury was never again mentioned or noticed following the test. The police documents also paint a picture of Bieber being about as snotty as you've probably come to expect:

He was initially "agitated and condescending," frequently using profanity, and then came the kicker: "He then got upset and said, 'I'm 19 years old. I'm just out having a good time. What were you doing when you were 19?'" Hilariously, the officer he'd questioned responded that when he was 19, he was not driving around in a Lamborghini, to which Bieber helpfully pointed out, "Yeah, well, I bet you didn't have millions of dollars in your bank account either."

Another awesome police moment: One officer mentioned to another that Bieber and his pal appeared to be having trouble driving the cars, to which Bieber responded, "What? I've been driving Lamborghinis since I was 15."

Unfortunately for those hoping to see Bieber put away for a long time, TMZ notes that the police case is shaky: Cops initially said he was drag racing and "reeked of booze," but neither claim now appears to be true (his blood alcohol content was an "inconsequential" 0.014). And as for that egging case? Sources tell TMZ it will never go to trial, because a settlement is in the works that would involve Bieber simply getting informal probation and no jail time.